289124680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5101}}^1$

素因数の和:5234

約数の個数: 64

約数和(自身を含む): 707137200

約数和(自身を除く): 418012520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2834, 4360, 5101, 5668, 7085, 10202, 11336, 14170, 20404, 25505, 28340, 40808, 51010, 56680, 66313, 102020, 132626, 204040, 265252, 331565, 530504, 556009, 663130, 1112018, 1326260, 2224036, 2652520, 2780045, 4448072, 5560090, 7228117, 11120180, 14456234, 22240360, 28912468, 36140585, 57824936, 72281170, 144562340, 289124680]

約数ペア:

[(1, 289124680), (2, 144562340), (4, 72281170), (5, 57824936), (8, 36140585), (10, 28912468), (13, 22240360), (20, 14456234), (26, 11120180), (40, 7228117), (52, 5560090), (65, 4448072), (104, 2780045), (109, 2652520), (130, 2224036), (218, 1326260), (260, 1112018), (436, 663130), (520, 556009), (545, 530504), (872, 331565), (1090, 265252), (1417, 204040), (2180, 132626), (2834, 102020), (4360, 66313), (5101, 56680), (5668, 51010), (7085, 40808), (10202, 28340), (11336, 25505), (14170, 20404)]